secwatch.observer — SEC 8-K summary ====================================== Issuer: AMERICAN TOWER CORP /MA/ (AMT) CIK: 0001053507 Form: 8-K Filed at: 2026-09-18T12:50:18+00:00 Accession: 0001053507-26-000145 Event type: other_material Sentiment: neutral Materiality: 0.35 Item codes: 5.02, 8.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 American Tower elects Kristen M. Ludgate to board; declares $1.79 quarterly dividend -------------------------------------------------------------------------------- - Kristen M. Ludgate elected director and Compensation and Human Capital Committee member, effective Sept 17, 2026. - Ludgate was HP Inc. Chief People Officer (2021-2025); prior 15+ years at 3M in HR, legal, compliance roles. - Quarterly cash distribution of $1.79 per share declared, payable Oct 20, 2026 to holders of record Sept 30, 2026. - Ludgate serves on Associated Banc-Corp board (Compensation chair) and previously on OpenText board. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1053507/000105350726000145/0001053507-26-000145-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1053507/000105350726000145/amt-20260917.htm HTML page: https://secwatch.observer/filing/0001053507-26-000145 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer